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@decaf-ts/db-decorators

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Agnostic database decorators and repository

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import { IdOperationHandler, OperationHandler, StandardOperationHandler, UpdateOperationHandler } from "./types"; import { OperationKeys } from "./constants"; /** * @description Decorator for handling create and update operations * @summary Defines a behavior to execute during both create and update operations * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any> | UpdateOperationHandler<any, any, V, any, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function onCreateUpdate * @category Property Decorators */ export declare function onCreateUpdate<V = object>(handler: StandardOperationHandler<any, any, V, any, any> | UpdateOperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling update operations * @summary Defines a behavior to execute during update operations * @template V - Type for metadata, defaults to object * @param {UpdateOperationHandler<any, any, V, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function onUpdate * @category Property Decorators */ export declare function onUpdate<V = object>(handler: UpdateOperationHandler<any, any, V, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling create operations * @summary Defines a behavior to execute during create operations * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function onCreate * @category Property Decorators */ export declare function onCreate<V = object>(handler: StandardOperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling read operations * @summary Defines a behavior to execute during read operations * @template V - Type for metadata, defaults to object * @param {IdOperationHandler<any, any, V, any, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function onRead * @category Property Decorators */ export declare function onRead<V = object>(handler: IdOperationHandler<any, any, V, any, any>, data: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling delete operations * @summary Defines a behavior to execute during delete operations * @template V - Type for metadata, defaults to object * @param {OperationHandler<any, any, V, any, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function onDelete * @category Property Decorators */ export declare function onDelete<V = object>(handler: OperationHandler<any, any, V, any, any>, data: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling all operation types * @summary Defines a behavior to execute during any database operation * @template V - Type for metadata, defaults to object * @param {OperationHandler<any, any, V, any, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function onAny * @category Property Decorators */ export declare function onAny<V = object>(handler: OperationHandler<any, any, V, any, any>, data: V): (target: object, propertyKey?: any) => void; /** * @description Base decorator for handling database operations * @summary Defines a behavior to execute during specified database operations * @template V - Type for metadata, defaults to object * @param {OperationKeys[] | DBOperations} [op=DBOperations.ALL] - One or more operation types to handle * @param {OperationHandler<any, any, V, any, any>} handler - The method called upon the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function on * @category Property Decorators * @example * // Example usage: * class MyModel { * @on(DBOperations.CREATE, myHandler) * myProperty: string; * } */ export declare function on<V = object>(op: OperationKeys[] | undefined, handler: OperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling post-create and post-update operations * @summary Defines a behavior to execute after both create and update operations * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any> | UpdateOperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function afterCreateUpdate * @category Property Decorators */ export declare function afterCreateUpdate<V = object>(handler: StandardOperationHandler<any, any, V, any, any> | UpdateOperationHandler<any, any, V, any, any>, data: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling post-update operations * @summary Defines a behavior to execute after update operations * @template V - Type for metadata, defaults to object * @param {UpdateOperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function afterUpdate * @category Property Decorators */ export declare function afterUpdate<V = object>(handler: UpdateOperationHandler<any, any, V, any, any>, data: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling post-create operations * @summary Defines a behavior to execute after create operations * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function afterCreate * @category Property Decorators */ export declare function afterCreate<V = object>(handler: StandardOperationHandler<any, any, V, any, any>, data: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling post-read operations * @summary Defines a behavior to execute after read operations * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function afterRead * @category Property Decorators */ export declare function afterRead<V = object>(handler: StandardOperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling post-delete operations * @summary Defines a behavior to execute after delete operations * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function afterDelete * @category Property Decorators */ export declare function afterDelete<V = object>(handler: StandardOperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Decorator for handling post-operation for all operation types * @summary Defines a behavior to execute after any database operation * @template V - Type for metadata, defaults to object * @param {StandardOperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function afterAny * @category Property Decorators */ export declare function afterAny<V = object>(handler: StandardOperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Base decorator for handling post-operation behaviors * @summary Defines a behavior to execute after specified database operations * @template V - Type for metadata, defaults to object * @param {OperationKeys[] | DBOperations} [op=DBOperations.ALL] - One or more operation types to handle * @param {OperationHandler<any, any, V, any, any>} handler - The method called after the operation * @param {V} [data] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function after * @category Property Decorators * @example * // Example usage: * class MyModel { * @after(DBOperations.CREATE, myHandler) * myProperty: string; * } */ export declare function after<V = object>(op: OperationKeys[] | undefined, handler: OperationHandler<any, any, V, any, any>, data?: V): (target: object, propertyKey?: any) => void; /** * @description Core decorator factory for operation handlers * @summary Creates decorators that register handlers for database operations * @template V - Type for metadata, defaults to object * @param {OperationKeys.ON | OperationKeys.AFTER} baseOp - Whether the handler runs during or after the operation * @param {OperationKeys[]} [operation=DBOperations.ALL] - The specific operations to handle * @param {OperationHandler<any, any, V, any, any>} handler - The handler function to execute * @param {V} [dataToAdd] - Optional metadata to pass to the handler * @return {PropertyDecorator} A decorator that can be applied to class properties * @function operation * @category Property Decorators * @mermaid * sequenceDiagram * participant Client * participant Decorator as @operation * participant Operations as Operations Registry * participant Handler * * Client->>Decorator: Apply to property * Decorator->>Operations: Register handler * Decorator->>Decorator: Store metadata * * Note over Client,Handler: Later, during operation execution * Client->>Operations: Execute operation * Operations->>Handler: Call registered handler * Handler-->>Operations: Return result * Operations-->>Client: Return final result */ export declare function operation<V = object>(baseOp: OperationKeys.ON | OperationKeys.AFTER, operation: OperationKeys[] | undefined, handler: OperationHandler<any, any, V, any, any>, dataToAdd?: V): (target: object, propertyKey?: any) => void;